1 files changed, 152 insertions, 0 deletions

diff --git a/src/others/mimesh/libg3d-0.0.8/src/stream_read.c b/src/others/mimesh/libg3d-0.0.8/src/stream_read.c
new file mode 100644
index 0000000..e222378
--- /dev/null
+++ b/src/others/mimesh/libg3d-0.0.8/src/stream_read.c
@@ -0,0 +1,152 @@
+/* $Id:$ */
+
+/*
+    libg3d - 3D object loading library
+
+    Copyright (C) 2005-2009  Markus Dahms <mad@automagically.de>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <g3d/types.h>
+#include <g3d/stream.h>
+
+EAPI
+gint32 g3d_stream_read_int8(G3DStream *stream)
+{
+        guint8 c;
+        if(g3d_stream_read(stream, &c, 1) != 1)
+                return 0;
+        return c;
+}
+
+EAPI
+gint32 g3d_stream_read_int16_be(G3DStream *stream)
+{
+        return (g3d_stream_read_int8(stream) << 8) | g3d_stream_read_int8(stream);
+}
+
+EAPI
+gint32 g3d_stream_read_int16_le(G3DStream *stream)
+{
+        return g3d_stream_read_int8(stream) | (g3d_stream_read_int8(stream) << 8);
+}
+
+EAPI
+gint32 g3d_stream_read_int32_be(G3DStream *stream)
+{
+        return (g3d_stream_read_int8(stream) << 24) |
+                (g3d_stream_read_int8(stream) << 16) |
+                (g3d_stream_read_int8(stream) << 8) | g3d_stream_read_int8(stream);
+}
+
+EAPI
+gint32 g3d_stream_read_int32_le(G3DStream *stream)
+{
+        return g3d_stream_read_int8(stream) | (g3d_stream_read_int8(stream) << 8) |
+                (g3d_stream_read_int8(stream) << 16) |
+                (g3d_stream_read_int8(stream) << 24);
+}
+
+static void g3d_stream_read_bytes(G3DStream *stream, guint8 *buf, gsize n)
+{
+        gint32 i;
+        for(i = 0; i < n; i ++)
+                buf[i] = g3d_stream_read_int8(stream);
+}
+
+static void g3d_stream_read_bytes_swap(G3DStream *stream, guint8 *buf, gsize n)
+{
+        gint32 i;
+        for(i = (n - 1); i >= 0; i --)
+                buf[i] = g3d_stream_read_int8(stream);
+}
+
+EAPI
+G3DFloat g3d_stream_read_float_be(G3DStream *stream)
+{
+        union {
+                G3DFloat f;
+                guint8 u[4];
+        } u;
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+        g3d_stream_read_bytes_swap(stream, u.u, 4);
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+        g3d_stream_read_bytes(stream, u.u, 4);
+#endif
+        return u.f;
+}
+
+EAPI
+G3DFloat g3d_stream_read_float_le(G3DStream *stream)
+{
+        union {
+                G3DFloat f;
+                guint8 u[4];
+        } u;
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+        g3d_stream_read_bytes(stream, u.u, 4);
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+        g3d_stream_read_bytes_swap(stream, u.u, 4);
+#endif
+        return u.f;
+}
+
+
+EAPI
+G3DDouble g3d_stream_read_double_be(G3DStream *stream)
+{
+        union {
+                G3DDouble f;
+                guint8 u[8];
+        } u;
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+        g3d_stream_read_bytes_swap(stream, u.u, 8);
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+        g3d_stream_read_bytes(stream, u.u, 8);
+#endif
+        return u.f;
+}
+
+EAPI
+G3DDouble g3d_stream_read_double_le(G3DStream *stream)
+{
+        union {
+                G3DDouble f;
+                guint8 u[8];
+        } u;
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+        g3d_stream_read_bytes(stream, u.u, 8);
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+        g3d_stream_read_bytes_swap(stream, u.u, 8);
+#endif
+        return u.f;
+}
+
+EAPI
+gint32 g3d_stream_read_cstr(G3DStream *stream, gchar *buffer, gint32 max_len)
+{
+        gint32 n = 0;
+        gchar c;
+
+        do {
+                c = g3d_stream_read_int8(stream);
+                buffer[n] = c;
+                n ++;
+        } while((c != 0) && (n < max_len));
+        buffer[max_len - 1] = '\0';
+        return n;
+}
+